Finding the Fourth Proportional to 259,887,506.13, 389,568,943.18 and 162,911,314.95
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Solution
The fourth proportional to 259,887,506.13, 389,568,943.18 and 162,911,314.95 is: 244,202,538.79
Step by Step Solution
- Step 1: Write the proportion equation
259,887,506.13 : 389,568,943.18 = 162,911,314.95 : x - Step 2: Convert to fraction form
259,887,506.13/389,568,943.18 = 162,911,314.95/x - Step 3: Cross multiply
259,887,506.13x = 389,568,943.18 × 162,911,314.95 - Step 4: Simplify right side
259,887,506.13x = 63,465,188,797,154,480 - Step 5: Solve for x
x = 63,465,188,797,154,480/259,887,506.13 - Step 6: Final answer
x = 244,202,538.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.